As of December 2025 Koppers has a market cap of โน51.94 Billion. This makes Koppers the world's 6937th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.
On Dec 10th, 2025 the market cap of Koppers was reported to be: